setMaxLevel(3); $level = $tree->get_level(); switch ($level) { case 0: $tree->render_table("projects","project_id","project_name","",""); break; case 1: $tree->render_sql("SELECT teams.team_id, teams.team_name, project_team.project_id FROM teams INNER JOIN project_team ON teams.team_id=project_team.team_id", "team_id", "team_name", "", "project_id"); break; case 2: $tree->render_table("developers", "developer_id", "developer_name", "", "developer_team"); break; case 3: $tree->render_table("phones", "phone_id", "phone", "", "phone_developer"); break; } ?>